Enrique Medina Malo

O2 Czech Republic a.s. provides telecommunication and related services. It operates through Fixed and Mobile segments. The Fixed segment provides services using fixed network and WiFi infrastructure. The Mobile segment engages in mobile telecommunication and data services. The company was founded on December 16, 1993 and is headquartered in Prague, Czech Republic.

Telefónica Europe Plc operates as a mobile communication services company. It offers integrated mobile, fixed, and broadband services. The firm provides mobile telecommunications services using universal mobile telecommunications system, general packet radio services, and fixed line systems. The company was founded on December 10, 2004 and is headquartered in Slough, the United Kingdom.

Part of Telefónica SA, O2 Holdings Ltd. is a leading digital communications company based in Slough, UK. O2 has the highest customer satisfaction for any mobile provider, according to Ofcom. Customers can also enjoy exclusive benefits for being with both Virgin Media and O2. The British company's website, O2.co.uk, provides information about My O2, Priority, O2 Refresh, O2 Wifi, and much more. Additionally, customers can browse the range of 4G and 5G phones using the Android Operating System from Samsung, Google, Nothing, and more with pay monthly deals available. Founded in 1991, the company offers phones, tablets, mobile broadband, and sim only deals on the Best Network for Coverage.

Part of Telefónica SA, O2 (Europe) Ltd. provides telecommunication services. The company is based in Slough, UK and was founded in 2001.

Part of Telefónica SA, O2 Cedar Ltd. provides financial services. The company is based in Slough, UK and was founded in 2003.

Part of Telefónica SA, O2 Networks Ltd. is a British telecommunications company founded in 1991. The company provides telecommunication services and is based in Slough, UK.